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The Gray Metal South 5-404D is a flanged starting collar designed for HVAC applications. This component is crucial for connecting ductwork while maintaining airflow efficiency.
This starting collar is adjustable and fits standard duct sizes. It plays an important role in HVAC systems, ensuring seamless transitions between ducts.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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